Population

Is population growing or shrinking?

Updated annually
It grew by 136 between 2023 and 2024. Changes in population can reflect birth and death rates, immigration patterns, regional shifts, and even the overall health of the economy. The 0.38% annual increase was primarily driven by people moving from other states.
In the decade between 2014 and 2024, Miami County, IN’s population shrank by 1.3%.

+136

population change (2023 to 2024)

+0.38%

percent change in population (2023 to 2024)
Since 2000, Miami County, IN’s population increased 10 out of 24 years. The largest increase occurred between 2009 and 2010, when Miami County, IN gained 933 residents. Its largest decline occurred between 2021 and 2022 when there were 441 fewer residents.

Miami County, IN gained 136 residents between 2023 and 2024.

Annual population change

A county’s population is influenced by three factors:
  • Natural population change: If births outnumber deaths in a given year, natural population growth is positive. If deaths exceed births, it is negative. Between 2023 and 2024 natural population change was negative in Miami County, IN, with deaths exceeding births by 77.
  • Immigration: international migration directly into or out of a county: If more people move in than move out, population change from immigration is positive. If more people move out than move in, it is negative. Between 2023 to 2024, Miami County, IN’s population change from immigration was positive with about 15 more people coming from another country directly to Miami County, IN than leaving.
  • Domestic migration, moving between counties: Between 2023 to 2024, Miami County, IN’s population change from domestic migration was positive with about 199 more people coming from any other county in the US.

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Between 2023 and 2024, domestic migration was the primary driver of population growth in Miami County, IN.

Components of population change

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.